Mitchell Highway, Dubbo to Narromine upgrade

The Mitchell Highway, Dubbo to Narromine upgrade is now complete, with all three new overtaking lanes including Mylangra now open to traffic. View the media release for more information.

For all the latest news on the Mitchell Highway, Dubbo to Narromine upgrade, read the latest community update (PDF, 1013 KB).

The Mitchell Highway, Dubbo to Narromine upgrade is progressing towards completion with two of the three new overtaking lanes now installed along the 36 kilometre stretch, with Wysnley Lane open to traffic. View the media release for more information.

Property owners along the Mitchell Highway upgrade between Dubbo and Narromine will be offered native trees or shrubs to plant as part of environmental compensatory measures for the project.

View the media release for more information.

Work has started on a new overtaking lane for westbound traffic on the Mitchell Highway between Dubbo and Narromine. The overtaking lane will be built near the Wynsley Lane intersection , about 10 kilometres east of Narromine. It is one of 3 new overtaking lanes being built between Dubbo to Narromine. A fourth overtaking lane at Tantitha will no longer be constructed.

View the media release for more information.

The Mitchell Highway forms part of the Sydney to Western NSW corridor. It is an important route for freight and livestock transporters, local commuters, tourism operators, caravanners and holiday makers.

A large number of people commute daily between Narromine and Dubbo for employment and recreational activities. Heavy vehicles also make up to about 12 per cent of the daily traffic.

The project objectives include:

• Reducing travel times
• Improving safety
• Increasing overtaking opportunities

Key features of the Mitchell Highway overtaking lanes include:

• Construction of three overtaking lanes:
• Lagoon Creek (westbound overtaking lane)
• Mylangra (eastbound overtaking lane)
• Wynsley Lane (westbound overtaking lane)

A fourth option was at Tantitha, which is no longer proceeding to construction.

• Each overtaking lane will be 1.5 kilometres in length
• Addition of a 1m wide centre line at project locations
• Improved pavement life and drainage along the project locations
• Integration with other planned work to improve shoulder width and the road surface along extended lengths of the Mitchell Highway corridor
• Upgrades to private property accesses and intersections.

• October 2023 community update (PDF, 1013 KB)
  Mitchell Highway, Dubbo to Narromine upgrade community update.
• ​​​​​November 2022 notification letter
  Work to start along the Mitchell Highway near Wynsley Lane.
• March 2022 community update

  Michell Highway, Dubbo to Narromine upgrade community update.

20 February 2024
Tools down after three-year project to improve traffic flow between Dubbo and Narromine 

11 September 2023
New overtaking lane in use between Dubbo and Narromine

28 June 2023
Mitchell Highway soon to be greener